CN105457671B - The method of hydrocracking catalyst and preparation method thereof and hydrocracking reaction - Google Patents
The method of hydrocracking catalyst and preparation method thereof and hydrocracking reaction Download PDFInfo
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- CN105457671B CN105457671B CN201410460740.3A CN201410460740A CN105457671B CN 105457671 B CN105457671 B CN 105457671B CN 201410460740 A CN201410460740 A CN 201410460740A CN 105457671 B CN105457671 B CN 105457671B
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Abstract
The invention provides the method for a kind of hydrocracking catalyst and preparation method thereof He hydrocracking reaction.The hydrocracking catalyst includes the active component of carrier and load on the carrier, wherein, the active component is made up of three kinds of molybdenum, cobalt and nickel components, counted by oxide and on the basis of the gross weight of the hydrocracking catalyst, the content of the molybdenum is 3 20 weight %, the content of the cobalt is 0.5 5 weight %, and the content of the nickel is 0.1 1 weight %, and cobalt atom in the active component and the mol ratio of nickle atom are 1 15:1；The carrier contains solid acid component and inorganic refractory oxides, and the solid acid component is Y type molecular sieve or the mixture of Y type molecular sieve and amorphous silica-alumina.The hydrocracking catalyst is not only not easy carbon distribution, but also can obtain the isocrackate with higher arene content, great prospects for commercial application.
Description
Technical field
The present invention relates to described in a kind of hydrocracking catalyst, the preparation method of the hydrocracking catalyst and use
The method that hydrocracking catalyst carries out hydrocracking reaction.
Background technology
With the aggravation of crude oil heaviness, in poor quality degree, the secondary processing diesel oil such as catalytic cracking diesel oil, coker gas oil evaporates
The quality divided is increasingly worse, is in particular in the aspects such as density is big, nitrogen content is high, arene content is high, Cetane number is low.Therefore this
The hydro-upgrading of a little secondary processing diesel oil cuts rich in aromatic hydrocarbons is increasingly subject to the extensive concern of people.These poor ignition quality fuels are turned
It is one of effective technical way of secondary processing diesel oil to turn to high added value chemical industry material BTX or high octane gasoline component.At present,
Catalyst for hydro-upgrading report as the path core technology is more.
For example, US5,219,814 disclose one kind in 400-1000psi under the conditions of pressure, and the catalysis that will be enriched in aromatic hydrocarbons is split
Change the method that diesel oil is converted into high-octane naphtha cut, wherein, the hydrocracking catalyst used includes ultrastable
Carrier and the active component selected from group VIII metal component and vib metals component, group VIII metal and molecular sieve
The mol ratio of framework aluminum content is less than 2, preferably 0.25-0.50:1, the content of vib metals component is 0.25-25 weights
% is measured, wherein, active component is based on molybdenum cobalt or molybdenum nickel system.
US4,738,766 disclose a kind of method that high octane gasoline component is produced using hydrocracking catalyst, its
Employed in hydrocracking catalyst contain acidic components and metal component, the acidic components are y-type zeolite, the metal
Component is selected from least one of nickel, cobalt, molybdenum, tungsten and vanadium.In addition, the metal component of the catalyst disclosed in embodiment is molybdenum
Nickel, wherein, total metal contents in soil is 10 weight % or so, and nickel content is 3.8 weight %, and molybdenum content is 6.5 weight %.
CN1295111A discloses a kind of gasoline fraction catalyst for hydro-upgrading containing zeolite, the catalyst contain molybdenum and/
Tungsten, nickel and/or cobalt, auxiliary agent magnesium, macropore and one or more and alumina host in mesopore zeolite；In terms of oxide and to urge
On the basis of the gross weight of agent, the total content of molybdenum and tungsten be 3-20 weight %, nickel and cobalt total content be 0.3-2% weight %,
Auxiliary agent content of magnesium is 1-7 weight %, and the content of zeolite is 5-60 weight %, and the auxiliary agent magnesium is present in the form of the oxide urges
In agent.
It can be seen that from above patent application and high added value chemical industry material BTX produced using the hydrocarbon ils rich in aromatic hydrocarbons as raw material
Or one of key of high octane gasoline component is in generation and the reduction that to avoid aromatic hydrocarbons saturated reaction in upgrading processes as far as possible
The loss late of octane number.In order to reduce the hydrogenation activity of hydrocracking catalyst as far as possible with avoid the saturated reaction of aromatic hydrocarbons and
The loss late of octane number, the content of active metal is generally relatively low in presently used hydrocracking catalyst.However, thus bring
The problem of be hydrocracking catalyst due to Hydrogenation is weaker and easy carbon distribution inactivates, so as to have impact on the operation of catalyst week
Phase, it is impossible to meet industrial requirement well.
The content of the invention
The invention aims to overcome to add the hydrocarbon ils rich in aromatic hydrocarbons using existing hydrocracking catalyst
Hydrogen cracking produces the defects of easy carbon distribution inactivation when high added value chemical industry material BTX or high-knock rating gasoline, and provides one kind not only
Be not easy carbon distribution but also can obtain with higher arene content isocrackate hydrocracking catalyst, it is described plus
The preparation method of hydrogen Cracking catalyst and the method that hydrocracking reaction is carried out using the hydrocracking catalyst.
The invention provides a kind of hydrocracking catalyst, the hydrocracking catalyst includes carrier and is supported on the load
Active component on body, wherein, the active component is made up of three kinds of molybdenum, cobalt and nickel components, is added in terms of oxide and with described
On the basis of the gross weight of hydrogen Cracking catalyst, the content of the molybdenum is 3-20 weight %, and the content of the cobalt is 0.5-5 weights
% is measured, the content of the nickel is 0.1-1 weight %, and cobalt atom in the active component and the mol ratio of nickle atom are 1-
15:1；The carrier contains solid acid component and inorganic refractory oxides, and the solid acid component is Y type molecular sieve or Y types point
The mixture of son sieve and amorphous silica-alumina.
Present invention also offers a kind of preparation method of hydrocracking catalyst, this method includes active component being supported on
On carrier, the active component is made up of three kinds of molybdenum, cobalt and nickel components, in terms of oxide and with the hydrocracking catalyst
On the basis of gross weight, the content of the molybdenum is 3-20 weight %, and the content of the cobalt is 0.5-5 weight %, the content of the nickel
For 0.1-1 weight %, and cobalt atom in the active component and the mol ratio of nickle atom are 1-15:1；The carrier contains solid
Body acid constituents and inorganic refractory oxides, the solid acid component are the mixed of Y type molecular sieve or Y type molecular sieve and amorphous silica-alumina
Compound.
In addition, present invention also offers a kind of method of hydrocracking reaction, this method is included in hydrocracking reaction bar
Under part, hydrocarbon ils is contacted with above-mentioned hydrocracking catalyst.
The present inventor by further investigation find, will contain simultaneously and only the molybdenum containing certain content, cobalt and
The active component of nickel uses with specific carrier combination, and strictly controls the mol ratio of cobalt atom and nickle atom in active component,
The hydrocracking catalyst so obtained can be avoided effectively in production high added value chemical industry material BTX or high octane gasoline component
During catalyst carbon deposition it is serious the problem of, while the isocrackate being also possible that has higher arene content,
That is, very perfect optimization balance is realized in terms of the activity and stability of catalyst.
A preferred embodiment of the invention, when the Y type molecular sieve contained in the solid acid component is MoY types
Zeolite molecular sieve, and the n values of the MoY types zeolite molecular sieve are 0<n<1, n=I/ α I0, characterized in FT-IR methods, I MoY
3625cm in the FT-IR spectrograms of type zeolite molecular sieve-1Absorption peak strength, I0For the parent y-type zeolite point of MoY type zeolite molecular sieves
3625cm in the FT-IR spectrograms of son sieve-1Absorption peak strength, α are 3740cm in the FT-IR spectrograms of MoY type zeolite molecular sieves-1Inhale
Receive peak intensity and 3740cm in the FT-IR spectrograms of parent Y-type zeolite molecular sieve-1, can be further during the ratio of absorption peak strength
The carbon distribution content in hydrocracking catalyst is reduced, and the isocrackate for making to obtain has higher arene content.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
Hydrocracking catalyst provided by the invention includes the active component of carrier and load on the carrier, wherein,
The active component is made up of three kinds of molybdenum, cobalt and nickel components, in terms of oxide and with the gross weight of the hydrocracking catalyst
On the basis of, the content of the molybdenum is 3-20 weight %, and the content of the cobalt is 0.5-5 weight %, and the content of the nickel is 0.1-1
Weight %, and cobalt atom in the active component and the mol ratio of nickle atom are 1-15:1；The carrier contains solid acid group
Point and inorganic refractory oxides, the solid acid component is Y type molecular sieve or the mixture of Y type molecular sieve and amorphous silica-alumina.
Wherein, three kinds of molybdenum, cobalt, nickel components can exist in the form of the oxide, can also be in the form of sulfide
In the presence of can also exist in the form of the two mixture.In the presence of three of the above component is in the form of sulfide, meter
Need first for sulfide to be converted into corresponding oxide during the content for calculating three of the above metal component and calculated again.
According to hydrocracking catalyst provided by the invention, in order that molybdenum, cobalt and nickel these three components play preferably
Concerted catalysis acts on, it is preferable that is counted by oxide and on the basis of the gross weight of the hydrocracking catalyst, the molybdenum contains
Measure as 4-18 weight %, the content of the cobalt is 0.8-4.5 weight %, and the content of the nickel is 0.2-0.8 weight %, and described
The mol ratio of cobalt atom and nickle atom in active component is 2-12:1；It is highly preferred that split in terms of oxide and with the hydrogenation
On the basis of the gross weight for changing catalyst, the content of the molybdenum is 6-15 weight %, and the content of the cobalt is 1.8-3.6 weight %,
The content of the nickel is 0.3-0.8 weight %, and cobalt atom in the active component and the mol ratio of nickle atom are 2-4:1.
The present invention is not particularly limited to the content of the carrier and active component, and can be split according to the hydrogenation
The dosage for changing the carrier employed in catalyst preparation process and active component is controlled.For example, urged with described be hydrocracked
On the basis of the gross weight of agent, the content of the carrier can be 70-95 weight %, preferably 80-95 weight %；The activity
The content of component can be 5-30 weight %, preferably 5-20 weight %.
The present invention is not particularly limited to the content of the solid acid component in the carrier and inorganic refractory oxides, can
Think the conventional selection of this area.The solid acid component main function is that cracking activity is played in being hydrocracked, including isomery,
Open loop and lytic activity, and the main function of inorganic refractory oxides is to provide cementation and provides having for hydrogenation active component
Imitate carrier.In order that obtained hydrocracking catalyst can have preferable Catalytic Cracking Performance and stability concurrently, it is preferable that
On the basis of the gross weight of the carrier, the content of the solid acid component is 0.5-95 weight %, and more preferably 1-80 is heavy
Measure %；The content of the inorganic refractory oxides is 5-99.5 weight %, more preferably 20-99 weight %.
The solid acid component can be Y type molecular sieve, or the mixture of Y type molecular sieve and amorphous silica-alumina,
Particularly preferably Y type molecular sieve.Used using Y type molecular sieve as the hydrocracking catalyst that preferable solid acid enables to
The product obtained when being hydrocracked has higher arene content.
The amorphous silica-alumina can be the table of the existing various solid acid components that can act as hydrocracking catalyst
Face has acid silica-alumina, it is however preferred to have the silica-alumina of structure of similar to thin diaspore.Wherein, the nothing
The mass fraction of silica can be 1-80 weight %, preferably 10-50 weight % in amorphous silicon-alumina.The amorphous silica-alumina
It can be commercially available, the Siral range of commercial products produced such as German Condea companies is with structure of similar to thin diaspore
Silica-alumina.
In addition, the species of the Y type molecular sieve can be the conventional selection of this area, for example, HY zeolites, dilute can be selected from
Native Y zeolites, rare earth HY zeolites, overstable gamma zeolite, hyperastable Y-type RE zeolite, the Y zeolites of part amorphous, titaniferous Y zeolites and
One or more in phosphorous Y zeolites, particularly preferably MoY types zeolite molecular sieve, the n values of the MoY types zeolite molecular sieve
For 0<n<1, n=I/ α I0, characterized in FT-IR methods, I is 3625cm in the FT-IR spectrograms of MoY type zeolite molecular sieves-1Absworption peak
Intensity, I0For 3625cm in the FT-IR spectrograms of the parent Y-type zeolite molecular sieve of MoY type zeolite molecular sieves-1Absorption peak strength, α are
3740cm in the FT-IR spectrograms of MoY type zeolite molecular sieves-1In the FT-IR spectrograms of absorption peak strength and parent Y-type zeolite molecular sieve
3740cm-1The ratio of absorption peak strength.It should be noted that when the Y type molecular sieve is MoY type zeolite molecular sieves, it is above-mentioned
The content of active component molybdenum includes MoY types (for 3-20 weight %, more preferably preferably 4-18 weight %, 6-15 weight %) and boiled
Mo content in stone molecular sieve.
In the present invention, the MoY types zeolite molecular sieve is one kind 0<n<1st, it is preferably the y-type zeolite of 0.3≤n≤0.8.It is excellent
Selection of land, on the basis of the gross weight of the MoY types zeolite molecular sieve, the molybdenum in the MoY types zeolite molecular sieve in terms of oxide
Content be 0.5-10 weight %, more preferably 2-8 weight %.In the present invention, molybdenum oxide in the MoY types zeolite molecular sieve
Content (mass fraction)=MoY to be measured type zeolite molecular sieves in molybdenum oxide measured value/(MoY types zeolite molecular sieve to be measured
Amount × butt), wherein, butt be testing sample under air atmosphere 600 DEG C roasting 4 hours after weight and roasting before weight it
Than.
The parent Y-type zeolite molecular sieve can be HY zeolites, rare-earth type Y zeolites (REY), rare-earth type HY zeolites
(REHY), the Y boilings of overstable gamma zeolite (USY), hyperastable Y-type RE zeolite (REUSY), the Y zeolites (USY) of part amorphous, titaniferous
One or more in stone, phosphorous Y and super steady and HY types zeolite, dealuminium Y type beta stone.They can be commercially available commodity,
It can be prepared using existing various methods.
According to a kind of embodiment of the present invention, the MoY types zeolite molecular sieve is according to the side comprised the following steps
Method is prepared：
(1) Y-type zeolite molecular sieve is mixed with compound containing Mo, obtains a kind of Y-type zeolite molecular sieve and compound containing Mo
Mixture；
(2) mixture that step (1) obtains is enclosed into lower roasting in steam-laden atmosphere, obtains MoY type zeolite molecular sieves；
Wherein, on the basis of the MoY types zeolite molecular sieve that butt is counted, the dosage of each component makes in the step (1)
In final MoY type zeolite molecular sieves, preferably using the molybdenum content that oxide is counted as 0.5-10 weight %, more preferably in terms of oxide
Molybdenum content is 2-8 weight %.The molybdate compound preferably is selected from oxide, chloride or molybdate of molybdenum etc..The step (2)
In roasting condition include：Temperature is 200-700 DEG C, preferably 400-650 DEG C；Time is 1-24 hours, and preferably 3-12 is small
When；Steam-laden gas flow is 0.3-2 standard cubic meters/kilogram hour, preferably 0.6-1.5 standard cubic meter/thousand
Gram hour.
In the preparation process of above-mentioned MoY types zeolite molecular sieve, carrier gas is preferably comprised in the steam-laden atmosphere
Body.The diluent gas can for example be selected from the mixing of hydrogen, nitrogen, the gaseous mixture of hydrogen and nitrogen, air, air and nitrogen
At least one of gas, wherein, the volume mixture ratio of the vapor and diluent gas is preferably 1：10-100, more preferably
1：20-80.
The species of the inorganic refractory oxides can also be the conventional selection of this area, for example, can be aluminum oxide, oxygen
Change the one or more in zirconium, magnesia, thorium oxide, beryllium oxide, boron oxide, cadmium oxide, particularly preferably aluminum oxide.Wherein,
The aluminum oxide can be one or more of transition aluminas in γ, η, θ, δ and χ, or (be selected containing component is dosed
From at least one of silicon, titanium, magnesium, boron, zirconium, thorium, niobium, rare earth) γ, η, θ, δ and χ in one or more of transition phase oxidations
Aluminium, preferably gama-alumina and/or contain the above-mentioned gama-alumina for dosing component.The aluminum oxide can be obtained by commercially available
Arrive, can also be prepared according to well known to a person skilled in the art various methods, therefore not to repeat here.
According to hydrocracking catalyst provided by the invention, the hydrocracking catalyst can also include being supported on carrier
On auxiliary agent, the auxiliary agent can be selected from the one or more in phosphorus, titanium and silicon, the hydrocracking catalyst so enabled to
Agent has higher catalyst activity.Usually, the auxiliary agent exists in the form of its oxide.In addition, split with the hydrogenation
On the basis of the gross weight for changing catalyst, the content of the auxiliary agent in terms of oxide can be 0.1-10 weight %, be preferably
0.5-5 weight %, more preferably 2-4 weight %.
The preparation method of hydrocracking catalyst provided by the invention includes active component being supported on carrier, the work
Property component is made up of three kinds of molybdenum, cobalt and nickel components, is counted by oxide and on the basis of the gross weight of the hydrocracking catalyst,
The content of the molybdenum is 3-20 weight %, and the content of the cobalt is 0.5-5 weight %, and the content of the nickel is 0.1-1 weight %,
And cobalt atom in the active component and the mol ratio of nickle atom are 1-15:1；The carrier contains solid acid component and inorganic
Refractory oxides, the solid acid component are Y type molecular sieve or the mixture of Y type molecular sieve and amorphous silica-alumina.
According to the preparation method of hydrocracking catalyst provided by the invention, it is preferable that add in terms of oxide and with described
On the basis of the gross weight of hydrogen Cracking catalyst, the content of the molybdenum is 4-18 weight %, and the content of the cobalt is 0.8-4.5 weights
% is measured, the content of the nickel is 0.8-0.8 weight %, and cobalt atom in the active component and the mol ratio of nickle atom are 2-
12:1.It is highly preferred that being counted by oxide and on the basis of the gross weight of the hydrocracking catalyst, the content of the molybdenum is 6-
15 weight %, the content of the cobalt are 1.8-3.6 weight %, and the content of the nickel is 0.3-0.8 weight %, and the activearm
The mol ratio of cobalt atom and nickle atom in point is 2-4:1.
The present invention is not particularly limited to the content of the solid acid component in the carrier and inorganic refractory oxides, can
Think the conventional selection of this area.As described above, the solid acid component main function is that cracking activity is played in being hydrocracked,
Including isomery, open loop and lytic activity, and the main function of inorganic refractory oxides is to provide cementation and provides hydrogenation work
The effective carrier of property component.In order that obtained hydrocracking catalyst can have preferable Catalytic Cracking Performance and stably concurrently
Property, it is preferable that on the basis of the gross weight of the carrier, the content of the solid acid component is 0.5-95 weight %, more preferably
For 1-80 weight %；The content of the inorganic refractory oxides is 5-99.5 weight %, more preferably 20-99 weight %.
The solid acid component can be Y type molecular sieve, or the mixture of Y type molecular sieve and amorphous silica-alumina,
Preferably Y type molecular sieve, particularly preferably MoY types zeolite molecular sieve.The n values of the MoY types zeolite molecular sieve are 0<n<1, n=
I/αI0, characterized in FT-IR methods, I is 3625cm in the FT-IR spectrograms of MoY type zeolite molecular sieves-1Absorption peak strength, I0For
3625cm in the FT-IR spectrograms of the parent Y-type zeolite molecular sieve of MoY type zeolite molecular sieves-1Absorption peak strength, α are MoY type zeolites
3740cm in the FT-IR spectrograms of molecular sieve-1Absorption peak strength and 3740cm in the FT-IR spectrograms of parent Y-type zeolite molecular sieve-1
The ratio of absorption peak strength.It is hydrocracked using above-mentioned MoY types zeolite molecular sieve as what preferable solid acid enabled to
The product that catalyst is used to obtain when being hydrocracked has higher arene content.
The amorphous silica-alumina, Y type molecular sieve, MoY types zeolite molecular sieve and inorganic refractory oxides specific species can
To carry out reasonable selection according to record above, therefore not to repeat here.
The present invention is not particularly limited to the preparation method of the carrier, for example, can be by by Y type molecular sieve or Y
Type molecular sieve is calcined after being mixed with the mixture of amorphous silica-alumina with inorganic refractory oxides and/or inorganic refractory oxides precursor
Obtain.Wherein, the mode of the mixing can be carried out according to existing various modes, for example, can be by Y type molecular sieve or Y types
The mixture of molecular sieve and amorphous silica-alumina and inorganic refractory oxides and/or inorganic refractory oxides precursor be placed in mixer,
It is stirred in the plant equipment such as grinder, can also be in the case where being enough slurrying conditions by Y type molecular sieve or Y type molecular sieve and without fixed
The mixture of shape sial mixes with inorganic refractory oxides and/or inorganic refractory oxides precursor with water, filtered again afterwards,
It is dry or moist.In addition, it can be 350-950 DEG C that the condition of the roasting, which generally includes sintering temperature, preferably 450-900
℃；Roasting time can be 1-12 hours, preferably 2-8 hours.
According to the preparation method of hydrocracking catalyst provided by the invention, the carrier can be each depending on being made using needs
Kind easily operated article shaped, for example, can be microballoon, spherical, tablet, bar shaped, hollow spherical, bar shaped or bulk etc..
In the forming process of carrier, appropriate extrusion aid and/or peptizing agent can be added in order to be molded.The extrusion aid and peptizing agent
Species is known to the skilled person, for example, the extrusion aid can be selected from sesbania powder, methylcellulose, starch, polyethylene
One or more in alcohol and polyethylene glycol.The peptizing agent can be existing various conventional organic acids and/or inorganic acid.This
Outside, the dosage of the extrusion aid and peptizing agent can be the conventional selection of this area, and therefore not to repeat here.
The present invention is not particularly limited to the method that the active component is supported on carrier, it is for instance possible to use
The methods of infusion process, spraying, coprecipitation, is carried out., can be by carrier with containing when using infusion process load active component
The solution contact of water-soluble molybdenum compound, aqueous cobalt compound and water-soluble nickel compound, by three kinds of active components simultaneously
It is supported on carrier；Can also be by water-soluble molybdenum compound solution, aqueous solution cobalt salt solution and water-soluble nickel compound solution list
Solely contacted with carrier, three kinds of components are supported on carrier respectively.Preferably, the active component is supported on carrier
Method is to connect the carrier and the solution containing water-soluble molybdenum compound, aqueous cobalt compound and water-soluble nickel compound
Touch, then the carrier after contact is dried and is calcined, it is more easy using these preferable carrying methods, be advantageous to work
Industry metaplasia is produced.
Specifically, in the preparation process of the hydrocracking catalyst, the dosage of each material can make obtained hydrogenation
In Cracking catalyst, on the basis of the gross weight of the hydrocracking catalyst, the content of the carrier is 70-95 weight %,
The content of the active component is 5-30 weight %；Preferably, the dosage of each material makes in obtained hydrocracking catalyst, with
On the basis of the gross weight of the hydrocracking catalyst, the content of the carrier is 80-95 weight %, and the active component contains
Measure as 5-20 weight %.
The species of the water-soluble molybdenum compound can be the conventional selection of this area, for example, the nitric acid of molybdenum can be selected from
One or more in salt, acetate, carbonate and soluble complexes.Specifically, the example of the water-soluble molybdenum compound
Including but not limited to：One or more in ammonium molybdate, potassium molybdate, sodium molybdate, nitric acid molybdenum, molybdenum trisulfate etc..
The species of the aqueous cobalt compound can be the conventional selection of this area, for example, the nitric acid of cobalt can be selected from
One or more in salt, acetate, carbonate and soluble complexes.Specifically, the example of the aqueous cobalt compound
Including but not limited to：Cobalt nitrate and/or cobaltous sulfate.
The species of the water-soluble nickel compound can also be the conventional selection of this area, for example, the nitre of nickel can be selected from
One or more in hydrochlorate, acetate, carbonate and soluble complexes.Specifically, the reality of the water-soluble nickel compound
Example includes but is not limited to：Nickel nitrate and/or nickel sulfate.
In addition, the water-soluble molybdenum compound, aqueous cobalt compound and water-soluble nickel compound can contain crystallization
Water, the crystallization water can also not contained.
The preparation method of hydrocracking catalyst provided by the invention further preferably includes auxiliary agent being supported on carrier, described
Auxiliary agent can be selected from the one or more in phosphorus, titanium and silicon, and the hydrocracking catalyst so enabled to has higher
Catalyst activity.Usually, the auxiliary agent exists in the form of its oxide.In the preparation process of hydrocracking catalyst,
The auxiliary agent and active component can be supported on carrier simultaneously；First auxiliary agent can also be supported on carrier, then again will
Active component is supported on the carrier for being loaded with auxiliary agent；First active component can also be supported on carrier, then will helped again
Agent is supported on the carrier for being loaded with active component；It is preferred that use the first mode of loading, i.e. by the auxiliary agent and activearm
Divide and be supported on simultaneously on carrier, can so simplify technique, be easy to industrialized production.Specifically, by carrier with containing water-soluble
Property molybdenum compound, aqueous cobalt compound, water-soluble nickel compound and auxiliary compound solution contact, then will be after contact
Carrier be dried and be calcined.Wherein, the auxiliary compound can be existing various can be converted into after firing
The material of corresponding additive, therefore not to repeat here.In addition, the dosage of the auxiliary compound can make obtained hydrocracking catalyst
In agent, on the basis of the gross weight of catalyst, the content for the auxiliary agent counted using oxide is preferably as 0.1-10 weight %
0.5-5 weight %, more preferably 2-4 weight %.
The present invention to by the carrier with containing water-soluble molybdenum compound, aqueous cobalt compound, water-soluble nickel compound
And the condition of the solution contact of the auxiliary compound of selectivity is not particularly limited, for example, generally including：Contact Temperature can
Think 0-100 DEG C, preferably 10-80 DEG C；Time of contact can be 0.1-30 hours, preferably 1-8 hours.The contact can be with
Carry out, can also be carried out in open environment under air-proof condition, the aqueous solvent of loss can be supplemented in contact process, also may be used
Not supplement.Various gases, such as air, nitrogen, vapor etc. can be passed through in contact process, can not also be passed through any
New component.In addition, there is no particular limitation for concentration of the present invention to solution, as long as can ensure the load capacity of various composition i.e.
Can.
The present invention is to the carrier after contact being dried and roasting condition is not particularly limited.It is for example, described dry
It can be 100-300 DEG C, preferably 100-280 DEG C that dry condition, which generally includes drying temperature,；Drying time can be that 1-12 is small
When, preferably 2-8 hours.It can be 350-550 DEG C that the condition of the roasting, which generally includes sintering temperature, preferably 400-500
℃；Roasting time can be 1-10 hours, preferably 2-8 hours.
The preparation method of hydrocracking catalyst provided by the invention is additionally may included in before use, by catalyst in
At a temperature of 100-370 DEG C with sulphur, hydrogen sulfide or other carry out presulfurization containing sulfur feedstock, this presulfurization can enter outside reactor
OK, also can be In-situ sulphiding in reactor, active component is converted into sulphided state by oxidation state.
The method of hydrocracking reaction provided by the invention is included under the conditions of hydrocracking reaction, and hydrocarbon ils is added with above-mentioned
Hydrogen Cracking catalyst contacts.
The present invention is not particularly limited to the hydrocracking reaction condition, for example, the hydrocracking reaction condition
It can be 200-460 DEG C, preferably 220-440 DEG C to generally include reaction temperature；Hydrogen dividing potential drop can be 2-18MPa, preferably 2-
15MPa；Volume space velocity can be 0.3-10h during the liquid of hydrocarbon ils-1, preferably 0.5-5h-1；Hydrogen to oil volume ratio can be 50-
5000:1, preferably 50-4000:1.
The hydrocracking reaction can it is existing it is various be enough to make the hydrocarbon ils under the conditions of hydrocracking reaction with
Carried out in the reaction unit of hydrocracking catalyst reaction, for example, can fixed bed reactors, moving-burden bed reactor or
Carried out in fluidized bed reactor.In addition, during specific hydrocracking reaction, can be split in hydrogenation provided by the present invention
The optional hydrogenation catalyst of hydro-denitrification has been loaded before change catalyst.Reaction stream can use circulation, once by, string
The conventional hydrocracking technological process such as connection, parallel connection.
The hydrocarbon ils can be existing various heavy mineral oils, artificial oil or their mixed fraction oil, specifically may be used
With selected from diesel oil, crude oil, distillate, solvent-refined oil, slack wax, sweat oil, Fischer-Tropsch synthesis oil, liquefied coal coil, frivolous coal tar
With the one or more in heavy deasphalted oil.In addition, hydrocracking catalyst provided by the invention adding especially suitable for diesel oil
Hydrogen cracking reaction.
The present invention will be described in detail by way of examples below.
Embodiment 1
The embodiment is used to illustrate hydrocracking catalyst provided by the invention and preparation method thereof.
It is for 70% boehmite (catalyst Chang Ling branch company) and 133.3 grams of butt by 142.9 grams of butt
75% HY types zeolite (catalyst Chang Ling branch company, lattice constant are 24.65 angstroms) is well mixed, is extruded on banded extruder external
Circular diameter is 1.6 millimeters of three leaf bar shapeds, is then dried 3 hours in 120 DEG C, is calcined 4 hours then at 600 DEG C, obtains catalyst
Carrier Z1, its composition are shown in Table 1.
100 grams of above-mentioned carrier Z1 (are converted into phase with 82 milliliters of ammonia spirits containing ammonium molybdate, cobalt nitrate and nickel nitrate
The oxide answered contains 108.7 g/l of MoO respectively3, 24.5 g/l of CoO, 6.8 g/l of NiO) dipping 1 hour, then will be through
The carrier of dipping is dried 2 hours in 120 DEG C, is calcined 3 hours then at 450 DEG C, is obtained hydrocracking catalyst C1.Using X-fluorescence
Method is measured to the composition in hydrocracking catalyst C1, and its result is as shown in table 1.
Comparative example 1
The comparative example is used to illustrate hydrocracking catalyst of reference and preparation method thereof.
Catalyst carrier and hydrocracking catalyst are prepared according to the method for embodiment 1, unlike, in active component
Loading process in, the ammonia spirit containing ammonium molybdate, cobalt nitrate and nickel nitrate (is converted into corresponding oxide respectively to contain
108.7 g/l of MoO3, 24.5 g/l of CoO, 6.8 g/l of NiO) (be converted into the ammonia spirit containing ammonium molybdate and cobalt nitrate
Corresponding oxide contains 108.7 g/l of MoO respectively3With 31.3 g/l of CoO) substitute, obtain reference hydrocracking catalyst
DC1.The composition in reference hydrocracking catalyst DC1 is measured using X-fluorescence method, its result is as shown in table 1.
Comparative example 2
The comparative example is used to illustrate hydrocracking catalyst of reference and preparation method thereof.
Catalyst carrier and hydrocracking catalyst are prepared according to the method for embodiment 1, unlike, in active component
Loading process in, the ammonia spirit containing ammonium molybdate, cobalt nitrate and nickel nitrate (is converted into corresponding oxide respectively to contain
108.7 g/l of MoO3, 24.5 g/l of CoO, 6.8 g/l of NiO) (be converted into the ammonia spirit containing ammonium molybdate and nickel nitrate
Corresponding oxide contains 108.7 g/l of MoO respectively3, 31.3 g/l of NiO) substitute, obtain reference hydrocracking catalyst
DC2.The composition in reference hydrocracking catalyst DC2 is measured using X-fluorescence method, its result is as shown in table 1.
Embodiment 2
The embodiment is used to illustrate hydrocracking catalyst provided by the invention and preparation method thereof.
It is for 70% boehmite (catalyst Chang Ling branch company) and 187.8 grams of butt by 79.1 grams of butt
77% USY types zeolite (catalyst Chang Ling branch company, lattice constant are 24.58 angstroms) is well mixed, is extruded on banded extruder outer
The three leaf bar shapeds that circular diameter is 1.6 millimeters are connect, are then dried 3 hours in 120 DEG C, is calcined 3 hours, is catalyzed then at 580 DEG C
Agent carrier Z2, its composition are shown in Table 1.
100 grams of above-mentioned carrier Z2 are (equivalent with 85 milliliters of ammonia spirits respectively containing ammonium molybdate, cobalt nitrate and nickel nitrate
Contain 200.2 g/l of MoO respectively into corresponding oxide3, 53.9 g/l of CoO, 7.7 g/l of NiO) dipping 1 hour, then
Carrier through dipping is dried 2 hours in 120 DEG C, is calcined 3 hours then at 450 DEG C, obtains hydrocracking catalyst C2.Using X
Fluorescence method is measured to the composition in hydrocracking catalyst C2, and its result is as shown in table 1.
Embodiment 3
The embodiment is used to illustrate hydrocracking catalyst provided by the invention and preparation method thereof.
It is for 70% boehmite (catalyst Chang Ling branch company) and 175.5 grams of butt by 91.2 grams of butt
75% phosphorous USY types zeolite (catalyst Chang Ling branch company, lattice constant are 24.40 angstroms) is well mixed, on banded extruder
It is extruded into the three leaf bar shapeds that circumscribed circle diameter is 1.6 millimeters, is then dried 3 hours in 120 DEG C, is calcined 3 hours, obtains then at 550 DEG C
To catalyst carrier Z3, its composition is shown in Table 1.
100 grams of above-mentioned carrier Z3 (are converted into phase with 85 milliliters of ammonia spirits containing ammonium molybdate, cobalt nitrate and nickel nitrate
The oxide answered contains 82.6 g/l of MoO respectively3, 20.7 g/l of CoO, 10.3 g/l of NiO) dipping 1 hour, then will be through
The carrier of dipping is dried 2 hours in 120 DEG C, is calcined 3 hours then at 450 DEG C, is obtained hydrocracking catalyst C3.Using X-fluorescence
Method is measured to the composition in hydrocracking catalyst C3, and its result is as shown in table 1.
Embodiment 4
The embodiment is used to illustrate hydrocracking catalyst provided by the invention and preparation method thereof.
It is 79% by boehmite (catalyst Chang Ling branch company) that 84.6 grams of butt is 70%, 81.0 grams of butt
Amorphous silica-alumina (Condea companies, Siral40) and 102.4 grams of butt be 75% containing rare earth ReY types zeolite (catalysis
Agent Chang Ling branch company, 24.30 angstroms of lattice constant) it is well mixed, three leaves that circumscribed circle diameter is 1.6 millimeters are extruded on banded extruder
Bar shaped, then dried 3 hours in 120 DEG C, be calcined 3 hours then at 550 DEG C, obtain catalyst carrier Z4, its composition is shown in Table 1.
By 100 grams of above-mentioned carrier Z4 with 78 milliliters containing molybdenum trioxide, basic cobaltous carbonate, basic nickel carbonate, phosphoric acid water
Solution (is converted into corresponding oxide and contains 246.2 g/l of MoO respectively3, 59.1 g/l of CoO, 4.9 g/l of NiO, 49.24
G/l P2O5) impregnate 1 hour, then the carrier through dipping is dried 2 hours in 120 DEG C, is calcined 3 hours, obtains then at 450 DEG C
Hydrocracking catalyst C4.The composition in hydrocracking catalyst C4 is measured using X-fluorescence method, its result such as institute of table 1
Show.
Embodiment 5
The embodiment is used to illustrate hydrocracking catalyst provided by the invention and preparation method thereof.
Catalyst carrier and hydrocracking catalyst are prepared according to the method for embodiment 1, unlike, by HY type zeolites
Substituted with the MoY types zeolite molecular sieve of identical weight part, and adjust the content of ammonium molybdate in maceration extract so that what is finally given adds
MoO in hydrogen Cracking catalyst3Total content it is same as Example 1, obtain catalyst carrier Z5 and hydrocracking catalyst C5.Its
In, the composition of the catalyst carrier Z5 is shown in Table 1, and the composition in hydrocracking catalyst C5 is measured using X-fluorescence method,
Its result is as shown in table 1.
The MoY types zeolite molecular sieve is prepared as follows to obtain：
200.0 grams of USY molecular sieves (Chang Ling catalyst branch company product, butt 0.75) are taken to be ground with 6.3 grams of molybdenum trioxides
Ground in alms bowl, be well mixed.Tube furnace flat-temperature zone is subsequently placed in, is calcined 4 hours in 450 DEG C under hydrogen and steam atmosphere,
Gas flow therein is 0.8m3/ (kgh), vapor and hydrogen mixed proportion is 1:30.Obtain Mo and be modified USY types point
Son sieve, i.e. MoY types zeolite molecular sieve, are designated as MoUSY1, wherein, n=0.6, and surveyed using X-ray fluorescence spectra analysis (XRF)
Obtain MoO in MoUSY13Content be 4 weight %.
Embodiment 6
The embodiment is used to illustrate hydrocracking catalyst provided by the invention and preparation method thereof.
Catalyst carrier and hydrocracking catalyst are prepared according to the method for embodiment 1, unlike, by HY type zeolites
Substituted with the MoY types zeolite molecular sieve of identical weight part, and adjust the content of ammonium molybdate in maceration extract so that what is finally given adds
MoO in hydrogen Cracking catalyst3Total content it is same as Example 1, obtain catalyst carrier Z6 and hydrocracking catalyst C6.Its
In, the composition of the catalyst carrier Z6 is shown in Table 1, and the composition in hydrocracking catalyst C6 is measured using X-fluorescence method,
Its result is as shown in table 1.
The MoY types zeolite molecular sieve is prepared as follows to obtain：
200.0 grams of USY molecular sieves (Chang Ling catalyst branch company product, butt 0.75) are taken to be ground with 14.8 grams of molybdenum trioxides
Ground in alms bowl, be well mixed.Tube furnace flat-temperature zone is subsequently placed in, is calcined 8 hours in 600 DEG C under hydrogen and steam atmosphere,
Gas flow therein is 1.8m3/ (kgh), vapor and hydrogen mixed proportion is 1:90.Obtain Mo and be modified USY types point
Son sieve, i.e. MoY types zeolite molecular sieve, are designated as MoUSY2, wherein, n=0.35, and surveyed using X-ray fluorescence spectra analysis (XRF)
Obtain MoO in MoUSY23Content be 9 weight %.
Table 1
Test case
Test case is used for the method for illustrating hydrocracking reaction.
Using density as 0.9168g/cm3, sulfur content 4600ppm, nitrogen content 650ppm, total arene content be 82.0 weights
The diesel oil for measuring % is raw material, and hydrocracking catalyst C1, C5 and C6 and reference hydrogenation are evaluated on 30 milliliters of fixed bed devices
Industrial catalyst for refining is loaded on the top of Cracking catalyst DC1-DC2 performance, wherein fixed bed device bed, and (catalyst is grown
Ridge branch company product, trade name RN-10B), hydrocracking catalyst C1, C5 and C6 and reference hydrogenation are loaded in bottom respectively
Cracking catalyst DC1-DC2 (loadings are 15 milliliters).First toward the fixation for being filled with hydrocracking catalyst before entering diesel oil
The kerosene containing 6 weight % carbon disulfide is passed through in bed apparatus as sulfurized oil to carry out presulfurization to hydrocracking catalyst, in advance
Conditions of vulcanization includes first at 110 DEG C vulcanizing 2 hours, then vulcanizes 4 hours at 300 DEG C.After presulfurization is completed, diesel oil progress is passed through
Hydrocracking reaction, reaction condition include：Reaction temperature is 400 DEG C, the liquid of hydrogen dividing potential drop 5.0MPa, diesel oil when volume space velocity be
0.75 hour-1, hydrogen to oil volume ratio 800:1.Arene content in product naphtha cut is measured using liquid chromatography.
It is stripped after hydrocracking catalyst is unloaded from reaction tube with toluene solvant, afterwards with infrared spectroscopic determination extract
In carbon content, wherein, hydrocracking catalyst C1 carbon distribution content is defined as 100%.Acquired results are as shown in table 2.
Table 2
| Catalyst | Arene content (weight %) in naphtha cut | Relative carbon content in catalyst, weight % |
| C1 | 65.2 | 100 |
| C5 | 67.3 | 86 |
| C6 | 69.3 | 82 |
| DC1 | 49.2 | 145 |
| DC2 | 59.6 | 97 |
From the results shown in Table 2, compared with existing hydrocracking catalyst, split using hydrogenation provided by the invention
Change catalyst and be not only not easy carbon distribution, but also the isocrackate with higher arene content can be obtained, great industry should
Use prospect.It is can be seen that from the result of embodiment 1 and embodiment 5-6 when the Y type molecular sieve contained in the solid acid component is
MoY type zeolite molecular sieves, and the n values of the MoY types zeolite molecular sieve are 0<n<When 1, it further can reduce to be hydrocracked and urge
Carbon distribution content in agent, and the isocrackate for making to obtain has higher arene content.
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (30)
1. a kind of hydrocracking catalyst, the hydrocracking catalyst includes the activearm of carrier and load on the carrier
Point, it is characterised in that the active component is made up of three kinds of molybdenum, cobalt and nickel components, is hydrocracked in terms of oxide and with described
On the basis of the gross weight of catalyst, the content of the molybdenum is 3-20 weight %, and the content of the cobalt is 0.5-5 weight %, the nickel
Content be 0.1-1 weight %, and cobalt atom in the active component and the mol ratio of nickle atom are 1-15:1；The carrier
Containing solid acid component and inorganic refractory oxides, the solid acid component is Y type molecular sieve or Y type molecular sieve and amorphous silicon
The mixture of aluminium.
2. hydrocracking catalyst according to claim 1, wherein, in terms of oxide and with the hydrocracking catalyst
Gross weight on the basis of, the content of the molybdenum is 4-18 weight %, and the content of the cobalt is 0.8-4.5 weight %, and the nickel contains
Measure as 0.2-0.8 weight %, and cobalt atom in the active component and the mol ratio of nickle atom are 2-12:1.
3. hydrocracking catalyst according to claim 2, wherein, in terms of oxide and with the hydrocracking catalyst
Gross weight on the basis of, the content of the molybdenum is 6-15 weight %, and the content of the cobalt is 1.8-3.6 weight %, and the nickel contains
Measure as 0.3-0.8 weight %, and cobalt atom in the active component and the mol ratio of nickle atom are 2-4:1.
4. according to the hydrocracking catalyst described in any one in claim 1-3, wherein, with the hydrocracking catalyst
Gross weight on the basis of, the content of the carrier is 70-95 weight %, and the content of the active component is 5-30 weight %.
5. hydrocracking catalyst according to claim 4, wherein, using the gross weight of the hydrocracking catalyst as base
Standard, the content of the carrier is 80-95 weight %, and the content of the active component is 5-20 weight %.
6. according to the hydrocracking catalyst described in any one in claim 1-3, wherein, using the gross weight of the carrier as
Benchmark, the content of the solid acid component is 0.5-95 weight %, and the content of the inorganic refractory oxides is 5-99.5 weight %.
7. hydrocracking catalyst according to claim 6, wherein, it is described solid on the basis of the gross weight of the carrier
The content of body acid constituents is 1-80 weight %, and the content of the inorganic refractory oxides is 20-99 weight %.
8. according to the hydrocracking catalyst described in any one in claim 1-3, wherein, the Y type molecular sieve is MoY types
Zeolite molecular sieve, and the n values of the MoY types zeolite molecular sieve are 0<n<1, n=I/ α I0, characterized in FT-IR methods, I is MoY types
3625cm in the FT-IR spectrograms of zeolite molecular sieve-1Absorption peak strength, I0For the parent y-type zeolite molecule of MoY type zeolite molecular sieves
3625cm in the FT-IR spectrograms of sieve-1Absorption peak strength, α are 3740cm in the FT-IR spectrograms of MoY type zeolite molecular sieves-1Absorb
Peak intensity and 3740cm in the FT-IR spectrograms of parent Y-type zeolite molecular sieve-1The ratio of absorption peak strength.
9. hydrocracking catalyst according to claim 8, wherein, the n values of the MoY types zeolite molecular sieve are 0.3≤n
≤0.8。
10. hydrocracking catalyst according to claim 8, wherein, using the gross weight of the MoY types zeolite molecular sieve as
Benchmark, the content for the molybdenum counted using oxide in the MoY types zeolite molecular sieve is 0.5-10 weight %.
11. hydrocracking catalyst according to claim 8, wherein, the parent Y-type zeolite molecular sieve is boiled selected from HY
The Y boilings of stone, rare earth exchanged Y zeolite, rare earth HY zeolites, overstable gamma zeolite, hyperastable Y-type RE zeolite, the Y zeolites of part amorphous, titaniferous
One or more in stone and phosphorous Y zeolites.
12. according to the hydrocracking catalyst described in any one in claim 1-3, wherein, the inorganic refractory oxides
For aluminum oxide.
13. according to the hydrocracking catalyst described in any one in claim 1-3, wherein, the hydrocracking catalyst
Also include the auxiliary agent of load on the carrier, one or more of the auxiliary agent in phosphorus, titanium and silicon.
14. hydrocracking catalyst according to claim 13, wherein, using the gross weight of the hydrocracking catalyst as
Benchmark, the content for the auxiliary agent counted using oxide is 0.1-10 weight %.
15. a kind of preparation method of hydrocracking catalyst, this method includes active component being supported on carrier, the activity
Component is made up of three kinds of molybdenum, cobalt and nickel components, is counted by oxide and on the basis of the gross weight of the hydrocracking catalyst, institute
The content for stating molybdenum is 3-20 weight %, and the content of the cobalt is 0.5-5 weight %, and the content of the nickel is 0.1-1 weight %, and institute
The mol ratio for stating the cobalt atom in active component and nickle atom is 1-15:1；The carrier contains solid acid component and inorganic heat-resisting
Oxide, the solid acid component are Y type molecular sieve or the mixture of Y type molecular sieve and amorphous silica-alumina.
16. the method according to claim 11, wherein, in terms of oxide and with the gross weight of the hydrocracking catalyst
On the basis of, the content of the molybdenum is 4-18 weight %, and the content of the cobalt is 0.8-4.5 weight %, and the content of the nickel is 0.2-
0.8 weight %, and cobalt atom in the active component and the mol ratio of nickle atom are 2-12:1.
17. the method according to claim 11, wherein, in terms of oxide and with the gross weight of the hydrocracking catalyst
On the basis of, the content of the molybdenum is 6-15 weight %, and the content of the cobalt is 1.8-3.6 weight %, and the content of the nickel is 0.3-
0.8 weight %, and cobalt atom in the active component and the mol ratio of nickle atom are 2-4:1.
18. the method according to claim 11, wherein, on the basis of the gross weight of the carrier, the solid acid component
Content be 0.5-95 weight %, the content of the inorganic refractory oxides is 5-99.5 weight %.
19. the method according to claim 11, wherein, on the basis of the gross weight of the carrier, the solid acid component
Content be 1-80 weight %, the content of the inorganic refractory oxides is 20-99 weight %.
20. according to the method described in any one in claim 15-19, wherein, the Y type molecular sieve is MoY types zeolite point
Son sieve, the n values of the MoY types zeolite molecular sieve are 0<n<1, n=I/ α I0, characterized in FT-IR methods, I is MoY type zeolite molecules
3625cm in the FT-IR spectrograms of sieve-1Absorption peak strength, I0For the FT- of the parent Y-type zeolite molecular sieve of MoY type zeolite molecular sieves
3625cm in IR spectrograms-1Absorption peak strength, α are 3740cm in the FT-IR spectrograms of MoY type zeolite molecular sieves-1Absorption peak strength with
3740cm in the FT-IR spectrograms of parent Y-type zeolite molecular sieve-1The ratio of absorption peak strength.
21. according to the method for claim 20, wherein, the n values of the MoY types zeolite molecular sieve are 0.3≤n≤0.8.
22. the method according to claim 11, wherein, it is described on the basis of the gross weight of the MoY types zeolite molecular sieve
The content for the molybdenum counted in MoY zeolite molecular sieves using oxide is 0.5-10 weight %.
23. according to the method for claim 20, wherein, the parent Y-type zeolite molecular sieve is selected from HY zeolites, Rare Earth Y is boiled
Stone, rare earth HY zeolites, overstable gamma zeolite, hyperastable Y-type RE zeolite, the Y zeolites of part amorphous, the Y zeolites of titaniferous and phosphorous
One or more in Y zeolites.
24. according to the method described in any one in claim 15-19, wherein, the inorganic refractory oxides are aluminum oxide.
25. according to the method described in any one in claim 15-19, wherein, the active component is supported on carrier
Method for the carrier and the solution containing water-soluble molybdenum compound, aqueous cobalt compound and water-soluble nickel compound are connect
Touch, then the carrier after contact is dried and is calcined.
26. according to the method for claim 25, wherein, the dosage of each material makes in obtained hydrocracking catalyst, with
On the basis of the gross weight of the hydrocracking catalyst, the content of the carrier is 70-95 weight %, and the active component contains
Measure as 5-30 weight %.
27. according to the method for claim 26, wherein, the dosage of each material makes in obtained hydrocracking catalyst, with
On the basis of the gross weight of the hydrocracking catalyst, the content of the carrier is 80-95 weight %, and the active component contains
Measure as 5-20 weight %.
28. according to the method described in any one in claim 15-19, wherein, this method also includes auxiliary agent being supported on institute
State on carrier, one or more of the auxiliary agent in phosphorus, titanium and silicon.
29. the method according to claim 11, wherein, on the basis of the gross weight of the hydrocracking catalyst, with oxygen
The content of the auxiliary agent of compound meter is 0.1-10 weight %.
30. a kind of method of hydrocracking reaction, this method are included under the conditions of hydrocracking reaction, by hydrocarbon ils and claim
Hydrocracking catalyst contact in 1-14 described in any one.
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| CN101380589A (en) * | 2007-09-04 | 2009-03-11 | 中国石油化工股份有限公司 | Hydrocracking catalyst and preparation method thereof |
| CN102950012A (en) * | 2011-08-29 | 2013-03-06 | 中国石油化工股份有限公司 | Preparation method of hydrogenation catalyst |
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| CN1351121A (en) * | 2000-10-26 | 2002-05-29 | 中国石油化工股份有限公司 | Hydrocracing catalyst containing modified beta zeolite and its preparing process |
| CN1356380A (en) * | 2000-12-05 | 2002-07-03 | 中国石油化工股份有限公司 | Hydrorefining catalyst for heavy oil |
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